Display panel of a programmed computer system with a graphical user interface



FIG. 1 is a first view of a display panel of a programmed computer system with a graphical user interface;

FIG. 2 is a second view thereof; and,

FIG. 3 is a third view thereof.

The broken lines in the drawings are included for the purpose of illustrating environmental structure, including the display panel, and form no part of the claimed design.

The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1-3. The process or period of the transition forms no part of the claimed design. 

CLAIM The ornamental design for a display panel of a programmed computer system with a graphical user interface, as shown and described. 